Why are the back lights on my GMC truck not working?

Why are the back lights on my GMC truck not working?

The “t” that plugged into the rear wiring harness went bad on mine and when I took it out of the loop that fixed the problem for me. Not that different lights worked on the rear end at different time. So sometimes the brake lights worked. Other times it was just the back lights that were a ting weird. I finally figured out this problem.

Where are the tail lights on a GMC Sierra 1500?

I found the wires going to the tail light hang 1/2 inch below the bumper. Something hit the wires hard and cut them in two. There is a connector at the center of the back bumper. 21 people found this helpful.

Why do the tail lights on my Chevy Cheyanne not work?

15 people found this helpful. 98 Chevy cheyanne, having the same issue as roger, my headlights, front marker, brake and turn signals work but rear tail lights do not work, I’ve trace no power up to the front connector under the brake boost.

Are there brake lights that work on a 1998 GMC Seirra?

39 people found this helpful. 1998 gmc seirra brake lights turn signals and reverse light all work. Marker lights do not work. Brake light only with with head ligh switch off. I’ve cleaned and replaced all grounds changed the whole rear harness replaced bulbs boards does anyone have any ideas?

The “t” that plugged into the rear wiring harness went bad on mine and when I took it out of the loop that fixed the problem for me. Not that different lights worked on the rear end at different time. So sometimes the brake lights worked. Other times it was just the back lights that were a ting weird. I finally figured out this problem.

What kind of brake lights work on a 1998 GMC Seirra?

1998 gmc seirra brake lights turn signals and reverse light all work. Marker lights do not work. Brake light only with with head ligh switch off. I’ve cleaned and replaced all grounds changed the whole rear harness replaced bulbs boards does anyone have any ideas?

What happens when your tail lights are not working?

When the tail lights fail or do not function properly the car becomes a danger or hazard to self and others on the road. You may receive a ticket or citation from the traffic police. Blow fuse – The first thing the mechanics check is the fuse corresponding to the rear lights.

When do the tail lights and brake lights come on?

The taillights come on when your headlights are on or your parking brake is engaged. The brake lights turn on when you apply pressure on the brakes. In most automobiles, the taillights are red while the brake lights are a brighter, more luminous red. The rear lights are controlled by the same switch as the headlights.

What happens to a GMC radio if battery dies?

Chevy and GMC vehicles both feature Theftlock radios which render the stereo inoperable to would-be thieves. The downside of the Theftlock system is that if your battery dies or becomes disconnected, you’ll need to enter the radio code to deactivate the Theftlock system.

What to do if your GMC radio says INOP?

If radio display reads “INOP” while the vehicle is on, too many incorrect radio codes have been entered. To remove “INOP” from your display and unlock your radio, you must leave the key in the On position for one hour. Once you’ve retrieved your radio unlock code, write it down for future use.

How to unlock your Chevy or GMC radio?

How to Unlock a Chevy Radio. Step 1: Start the vehicle and turn on the radio. Step 2: Press and hold preset numbers 2 and 3 until a three digit code appears on the radio display. Write this code down. Step 3: Press the AM/FM button. Your radio will display a second three digit code. Write the second code down.

What kind of warning lights are on a GMC Yukon?

They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray). There are over 40 of them, so search carefully! Models examined include Acadia, Savana, Sierra, Terrain, and Yukon.

Is the GMC Sierra available with a multi flex tailgate?

Everything that set the GMC Sierra apart is now available on the Chevy Silverado. For example, the Multi-Pro tailgate that has been available on the Sierra is now available with the Silverado as the multi-flex tailgate.

Is there a touch screen on the GMC Sierra?

Rivals such as the Ford F-150 and Ram 1500 are leading the pack in terms of interior comfort. All trim levels except the base model come with an 8-inch touch screen. The GMC Sierra does have Apple CarPlay and Android Auto. You can also pay to upgrade for 4G LTE Wifi, wireless phone charging, and extra USB ports.

What does Service StabiliTrak do on a GMC Sierra?

StabiliTrak is designed to help prevent accidents by giving you better control of your Sierra. If you have a service StabiliTrak warning, your Sierra will no longer be assisted when a loss in lateral traction is detected.

What should I do if my GMC Sierra wont reboot?

It’s a good idea to test and see if you have any trouble codes. They may provide you clues that’ll help you fix it. Gm recommends that you power down the vehicle for 15 seconds to give the StabiliTrak time to reboot. If it works after firing your Sierra back up, great!

Why is traction control not working on my GMC Sierra?

Traction Control Not Working – Your Sierra’s traction control system mostly uses the same sensors to determine if a wheel has broken traction. Unlike StabiliTrak, which controls lateral issues (sliding), traction control keeps the wheels from unnecessary spinning.

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